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Finding the Fourth Proportional to 8,393.48, 11,578.65 and 5,034.68

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Solution

The fourth proportional to 8,393.48, 11,578.65 and 5,034.68 is: 6,945.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,393.48 : 11,578.65 = 5,034.68 : x
  2. Step 2: Convert to fraction form
    8,393.48/11,578.65 = 5,034.68/x
  3. Step 3: Cross multiply
    8,393.48x = 11,578.65 × 5,034.68
  4. Step 4: Simplify right side
    8,393.48x = 58,294,797.58
  5. Step 5: Solve for x
    x = 58,294,797.58/8,393.48
  6. Step 6: Final answer
    x = 6,945.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.